Home / 6,288.98-9,434.49-1,905.41

Finding the Fourth Proportional to 6,288.98, 9,434.49 and 1,905.41

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Solution

The fourth proportional to 6,288.98, 9,434.49 and 1,905.41 is: 2,858.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288.98 : 9,434.49 = 1,905.41 : x
  2. Step 2: Convert to fraction form
    6,288.98/9,434.49 = 1,905.41/x
  3. Step 3: Cross multiply
    6,288.98x = 9,434.49 × 1,905.41
  4. Step 4: Simplify right side
    6,288.98x = 17,976,571.59
  5. Step 5: Solve for x
    x = 17,976,571.59/6,288.98
  6. Step 6: Final answer
    x = 2,858.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.